261105338080

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39802643}}^1$

素因数の和:39802699

約数の個数: 48

約数和(自身を含む): 631906776144

約数和(自身を除く): 370801438064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 39802643, 79605286, 159210572, 199013215, 318421144, 398026430, 636842288, 796052860, 1273684576, 1592105720, 1631908363, 3184211440, 3263816726, 6368422880, 6527633452, 8159541815, 13055266904, 16319083630, 26110533808, 32638167260, 52221067616, 65276334520, 130552669040, 261105338080]

約数ペア:

[(1, 261105338080), (2, 130552669040), (4, 65276334520), (5, 52221067616), (8, 32638167260), (10, 26110533808), (16, 16319083630), (20, 13055266904), (32, 8159541815), (40, 6527633452), (41, 6368422880), (80, 3263816726), (82, 3184211440), (160, 1631908363), (164, 1592105720), (205, 1273684576), (328, 796052860), (410, 636842288), (656, 398026430), (820, 318421144), (1312, 199013215), (1640, 159210572), (3280, 79605286), (6560, 39802643)]